4 years ago

Write a proportion for the phrase and solve it:

2 answers:

5 0

9:5.85=9/5.85
equal to
20/d

9/5.85=20/d
multiply both sides by d
9d/5.85=20
multiply both sides by 5.85
9d=117
divie both sides yb 9
d=13

13 dolars

Alik [6]4 years ago

4 0

Proportion:
$\frac{5.85}{9}= \frac{d}{20}$

$d = \frac{5.85*20}{9} =$ $13.00

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http://www.1728.org/polygon.htm

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